74 FLORIDA GEOLOGICAL SURVEY I3TH ANNUAL REPORT 



Figure. ^ Page. 



East Coast Strip : 



29. Turnbull Hammock, Volusia County 144 



30. Coquina rock on shore of lagoon north of New Smyrna 145 



31. Spruce pines on old dunes west of Mims 145 



32. Pool in palm savanna, Merritt's Island 146 



3S. Outermost dunes near Melbourne Beach 146 



34. Shell mound on Indian River opposite Melbourne 147 



Vegetation types : 



35. Marshy margin of Lake Apopka, Lake County 199 



36. Saw-grass marsh bordering Lake Harris 201 



^7. Mangrove swamp on Long Key 205 



38. Typical scrub. Lake County 210 



39. Sandj' hammock, Marion County 214 



40. Calcareous hammock, Citrus County 215 



41. Red oak woods, Marion County 216 



Statistical Graphs : 



42. Density of population, total and rural, 1850 to 1920 234 



43. School population curves, 1915-16 253 



